photoprism/internal/workers/meta.go
2020-12-12 22:02:14 +01:00

124 lines
2.5 KiB
Go

package workers
import (
"errors"
"fmt"
"runtime"
"runtime/debug"
"time"
"github.com/photoprism/photoprism/internal/config"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/mutex"
"github.com/photoprism/photoprism/internal/photoprism"
"github.com/photoprism/photoprism/internal/query"
)
// Meta represents a background metadata maintenance worker.
type Meta struct {
conf *config.Config
}
// NewMeta returns a new background metadata maintenance worker.
func NewMeta(conf *config.Config) *Meta {
return &Meta{conf: conf}
}
// originalsPath returns the original media files path as string.
func (worker *Meta) originalsPath() string {
return worker.conf.OriginalsPath()
}
// Start starts the metadata worker.
func (worker *Meta) Start(delay time.Duration) (err error) {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("metadata: %s (panic)\nstack: %s", r, debug.Stack())
log.Error(err)
}
}()
if err := mutex.MetaWorker.Start(); err != nil {
return err
}
defer mutex.MetaWorker.Stop()
log.Debugf("metadata: starting routine check")
done := make(map[string]bool)
limit := 50
offset := 0
optimized := 0
for {
photos, err := query.PhotosCheck(limit, offset, delay)
if err != nil {
return err
}
if len(photos) == 0 {
break
} else if offset == 0 {
}
for _, photo := range photos {
if mutex.MetaWorker.Canceled() {
return errors.New("metadata: check canceled")
}
if done[photo.PhotoUID] {
continue
}
done[photo.PhotoUID] = true
updated, merged, err := photo.Optimize(worker.conf.Settings().StackMeta(), worker.conf.Settings().StackUUID())
if err != nil {
log.Errorf("metadata: %s (optimize photo)", err)
} else if updated {
optimized++
log.Debugf("metadata: optimized photo %s", photo.String())
}
for _, m := range merged {
log.Infof("metadata: merged %s", m.PhotoUID)
done[m.PhotoUID] = true
}
}
if mutex.MetaWorker.Canceled() {
return errors.New("metadata: check canceled")
}
offset += limit
time.Sleep(100 * time.Millisecond)
}
if optimized > 0 {
log.Infof("metadata: optimized %d photos", optimized)
}
if err := query.ResetPhotoQuality(); err != nil {
log.Warnf("metadata: %s (reset photo quality)", err.Error())
}
if err := entity.UpdatePhotoCounts(); err != nil {
log.Warnf("metadata: %s (update photo counts)", err.Error())
}
moments := photoprism.NewMoments(worker.conf)
if err := moments.Start(); err != nil {
log.Warnf("moments: %s", err)
}
runtime.GC()
return nil
}